CVE-2026-56423-MISP-deleteSelection-BrokenAccessControl

CVE-2026-56423 — MISP deleteSelection 访问控制缺失 此概念验证展示了 MISP 批量删除流程中针对 事件报告 和 共享组 的授权缺失漏洞。deleteSelection 处理程序通过一个回调函数对每个选中的项目进行授权，但该回调忽略项目本身，返回调用者的 全局角色权限 （permadd / permsharinggroup），而不是进行每对象所有权检查。因此，低权限的 贡献者 （默认的"用户"角色）可以提交属于 任何组织 的报告 ID/UUID，并在整个实例范围内硬删除它们，尽管正确保护的每对象 delete 操作会拒绝完全相同的请求。...

CVE-2026-56424

MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could...

CVE-2026-56423

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

EUVD-2026-38227

MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could...

CVE-2026-56424

MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could...

CVE-2026-56424 Broken access control in MISP core allows cross-organization unauthorized modification or deletion of analyst data, event reports, collections, templates, and decaying models

MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could...

CVE-2026-56424 Broken access control in MISP core allows cross-organization unauthorized modification or deletion of analyst data, event reports, collections, templates, and decaying models

MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could...

CVE-2026-56424

CVE-2026-56424 affects MISP core and describes multiple broken access-control flaws where authorization checks target the wrong entity or where ownership checks are missing on write paths. In affected subsystems, a lower-privileged authenticated user with relevant feature permissions could cause ...

CVE-2026-56423 MISP Core: Broken access control allows instance-wide unauthorized deletion of event reports and sharing groups via bulk deletion endpoints

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

CVE-2026-56423

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

CVE-2026-56423

Summary: CVE-2026-56423 affects MISP Core where bulk deletion (Event Reports and Sharing Groups) used broad role permissions instead of per-object authorization checks, enabling instance-wide deletions by eligible users. What was vulnerable: EventReportsController::deleteSelection relied on the g...

CVE-2026-56423 MISP Core: Broken access control allows instance-wide unauthorized deletion of event reports and sharing groups via bulk deletion endpoints

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

EUVD-2026-38226

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

PT-2026-51307

Name of the Vulnerable Software and Affected Versions MISP Core affected versions not specified Description Broken access-control checks exist in the bulk deletion flows for Event Reports and Sharing Groups. The deleteSelection handlers authorized deletions using broad role-level permissions...

CVE-2026-2261

The CVE-2026-2261 issue affects blocklistd where a programming error leaks a socket descriptor per adverse event, eventually exhausting file descriptors. After a moderate number of leaks, the process cannot run the helper script because a forked child dereferences a null pointer and crashes, prev...